Paul DeJong handed the Washington Nationals a second straight walk-off loss, capping a back-and-forth finish with a game-ending solo homer in the ninth inning of the St. Louis Cardinals' 7-6 victory Monday night.

Jason Heyward broke up a no-hitter with a tying two-run single in the sixth inning, Anthony Rizzo drew a bases-loaded walk in the seventh and the Chicago Cubs beat the Washington Nationals 3-2 on Friday.

Keith Law and Jerry Crasnick marvel at the youth movement on display in the NL East, discuss the backslide of the Mariners, Boston's pace and more (:18). Plus, Sarah Langs' "Numbers Game" (18:46) and an interesting chat with game developer Rob Daviau (30:07).